feat(ValidateForm): reduce render improve performance

src/BootstrapBlazor/BootstrapBlazor.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Razor">
 
   <PropertyGroup>
-    <Version>10.1.5-beta05</Version>
+    <Version>10.2.0</Version>
   </PropertyGroup>
 
   <ItemGroup>

src/BootstrapBlazor/Components/Table/Table.razor.Toolbar.cs

@@ -1086,9 +1086,9 @@ async Task<bool> DeleteItemsAsync()
                         // 由于数据删除导致页码会改变，尤其是最后一页
                         // 重新计算页码
                         // https://gitee.com/LongbowEnterprise/BootstrapBlazor/issues/I1UJSL
-                        PageIndex = Math.Max(1, Math.Min(PageIndex, int.Parse(Math.Ceiling((TotalCount - SelectedRows.Count) * 1d / _pageItems).ToString())));
-                        var items = PageItemsSource.Where(item => item >= (TotalCount - SelectedRows.Count));
-                        if (items.Any())
+                        PageIndex = GetSafePageIndex();
+                        var items = PageItemsSource.Where(item => item >= (TotalCount - SelectedRows.Count)).ToList();
+                        if (items.Count > 0)
                         {
                             _pageItems = Math.Min(_pageItems, items.Min());
                         }
@@ -1150,16 +1150,18 @@ private void QueryDynamicItems(QueryPageOptions queryOption, IDynamicObjectConte
             {
                 TotalCount = items.Count();
                 PageCount = (int)Math.Ceiling(TotalCount * 1.0 / Math.Max(1, _pageItems));
-                PageIndex = Math.Max(1, Math.Min(PageIndex, int.Parse(Math.Ceiling((TotalCount - SelectedRows.Count) * 1d / _pageItems).ToString())));
+                PageIndex = GetSafePageIndex();
                 items = items.Skip((PageIndex - 1) * _pageItems).Take(_pageItems);
             }
-            QueryItems = items.Cast<TItem>();
+            QueryItems = items.Cast<TItem>().ToList();
 
             // 重置选中行
             ResetSelectedRows(QueryItems);
         }
     }
 
+    private int GetSafePageIndex() => Math.Max(1, Math.Min(PageIndex, (int)Math.Ceiling((TotalCount - SelectedRows.Count) * 1.0 / _pageItems)));
+
     private async Task ExecuteExportAsync(Func<Task<bool>> callback)
     {
         if (BeforeExportCallback != null)

src/BootstrapBlazor/Components/Validate/ValidateBase.cs

@@ -251,7 +251,7 @@ protected virtual bool IsRequired() => ShowRequired ?? FieldIdentifier
         .Build();
 
     /// <summary>
-    /// SetParametersAsync 方法
+    /// <inheritdoc/>
     /// </summary>
     /// <param name="parameters"></param>
     /// <returns></returns>
@@ -274,7 +274,7 @@ public override Task SetParametersAsync(ParameterView parameters)
     }
 
     /// <summary>
-    /// OnInitialized 方法
+    /// <inheritdoc/>
     /// </summary>
     protected override void OnInitialized()
     {
@@ -291,7 +291,7 @@ protected override void OnInitialized()
     }
 
     /// <summary>
-    /// OnParametersSet 方法
+    /// <inheritdoc/>
     /// </summary>
     protected override void OnParametersSet()
     {
@@ -326,6 +326,26 @@ protected override void OnParametersSet()
         }
     }
 
+    /// <summary>
+    /// <inheritdoc/>
+    /// </summary>
+    /// <returns></returns>
+    protected override bool ShouldRender()
+    {
+        if (ValidateForm == null)
+        {
+            return true;
+        }
+
+        if (_shouldRender is true)
+        {
+            _shouldRender = false;
+            return true;
+        }
+
+        return _shouldRender ?? true;
+    }
+
     /// <summary>
     /// <inheritdoc/>
     /// </summary>
@@ -346,6 +366,11 @@ protected override async Task OnAfterRenderAsync(bool firstRender)
                 await ShowValidResult();
             }
         }
+
+        if (_shouldRender == false)
+        {
+            _shouldRender = null;
+        }
     }
 
     private string? _defaultRequiredErrorMessage;
@@ -456,6 +481,8 @@ private void ValidateType(ValidationContext context, List<ValidationResult> resu
         }
     }
 
+    private bool? _shouldRender = null;
+
     /// <summary>
     /// 显示/隐藏验证结果方法
     /// </summary>
@@ -480,6 +507,7 @@ public virtual Task ToggleMessage(IReadOnlyCollection<ValidationResult> results)
         }
 
         // 必须刷新一次 UI 保证状态正确
+        _shouldRender = true;
         StateHasChanged();
         return Task.CompletedTask;
     }

test/UnitTest/Components/ValidateFormTest.cs

@@ -542,9 +542,9 @@ public async Task ValidateFromCode_Ok()
         });
         Assert.Contains("form-control valid", cut.Markup);
 
-        var form = cut.Instance;
-        await cut.InvokeAsync(() => form.Validate());
-        Assert.Contains("form-control valid is-invalid", cut.Markup);
+        var form = cut.Find("form");
+        await cut.InvokeAsync(() => form.Submit());
+        Assert.Contains("form-control invalid is-invalid", cut.Markup);
     }
 
     [Fact]
@@ -566,7 +566,7 @@ public async Task Validate_Service_Ok()
         var msg = cut.FindComponent<MockInput<string>>().Instance.GetErrorMessage();
         Assert.Equal(HasServiceAttribute.Success, msg);
     }
-    
+
     [Fact]
     public async Task TestService_Ok()
     {
@@ -771,7 +771,7 @@ private class HasService
     {
         [HasService]
         public string? Tag { get; set; }
-        
+
         [TestValidateRule]
         public string? Tag2 { get; set; }
     }